Johnny Knoxville at Wednesday’s memorial for Ryan Dunn. (Amy Dragoo/AP)

Johnny Knoxville, Bam Margera and other relatives and friends mourned the death of Ryan Dunn during a private memorial service on Wednesday. A public service will be held at a later date, according to the funeral home handling Dunn’s arrangements. (MTV)

The controversial Princess Diana documentary shown at Cannes has secured several distribution deals and could score one in the U.S. The film, “Unlawful Killing,” suggests there has been a cover-up surrounding the 1997 death of Diana; it is banned in the U.K. (Vulture)

Emma Stone and Andrew Garfield — the stars of “The Amazing Spider-Man” — are reportedly dating. (Us magazine)

In other Emma Stone news, she’s been offered the lead role of Elizabeth Bennet in “Pride and Prejudice and Zombies.” (Digital Spy)

Chris Brown expressed his respect for gay community on Twitter in the wake of an incident in which he used the word gay to insult cameramen who were filming him while receiving a parking ticket. (The Hollywood Reporter)

Jamie Foxx looks poised to play Django, a slave who becomes a free man in Quentin Tarantino’s “Django Unchained.” (L.A. Times)

A performance of Daniel Radcliffe’s Broadway show canceled because of backstage death, and a “Smallville” star is sentenced to prison. Those stories after the jump.

A performance of “How to Succeed in Business Without Really Trying,” starring Daniel Radcliffe, was canceled after a stagehand died of a drug overdose backstage. (NY Times)

Sam Jones III of “Smallville” was sentenced to a year in jail for allegedly participating in a drug ring. (Popeater)

Take a look at these three pictures from the set of “The Hobbit.” In a shocking development, Gandalf (Ian McKellen) looks wise in one of them while smoking a pipe. (Entertainment Weekly)

Reminder: The Celebritology chat is at 2 p.m. Eastern today. Come with your entertainment-related questions and snarky comments — I know you have them.